Agglomerative coefficient:
## average single complete ward weighted gaverage
## 0.7664963 0.7557651 0.8233354 0.9110866 0.7810879 0.8319862
The optimal clustering method for this dataset is ward. The next tabs are focusing on this method.
Count of records in each of the 3 cluster
## sub_grp
## 1 2 3
## 21 30 25
Divise coefficient (the amount of clustering structure found) is: 0.8152627